# Term::ReadLine::Gnu restarts whatever system call it is using, such that
# once we ctrl C, we don't get back to Perl until the user presses enter,
# finally whereupon we get our signal handler called. We use sigaction
# Term::ReadLine::Gnu restarts whatever system call it is using, such that
# once we ctrl C, we don't get back to Perl until the user presses enter,
# finally whereupon we get our signal handler called. We use sigaction